Exam 23: The Reproductive Systems

The only birth control method that is 100% reliable in preventing pregnancy is

The external genitalia of the female are collectively called the

The permanent cessation of menses in older females is called menopause.

Both erection and ejaculation are sympathetic reflexes controlled by the lumbar portion of the spinal cord.

Which of the following is NOT a form of contraception?

In males, the hormone inhibin is produced by the

Sperm are produced in the seminiferous tubules, mature in the epididymis, and then travel through the ductus deferens, ejaculatory duct, and urethra. Along the way, secretions are added by the seminal vesicles, prostate gland and bulborurethral glands.

The mucosa of the vagina contains large stores of glycogen whose decomposition creates an acidic environment.

Describe the role that sustentacular (Sertoli)cells play in controlling the rate of spermatogenesis.

During the preovulatory phase of the ovarian cycle, the release of estrogen and inhibin by the dominant follicle decreases the release of _____ by the anterior pituitary gland causing less developed follicles to stop growing and die.

All common forms of oral contraceptives contain a drug that mimics the regulatory effects of

Sperm are produced at the rate of about 300 million per day.

The terminal duct carrying semen from the male reproductive system to the exterior is the

All the following hormones are involved in promoting and regulating various aspects of lactation EXCEPT

The uterus is supported and held in position in the pelvic cavity by the uterine (fallopian)tubes.

Which of the following hormones are involved in controlling the menstrual and ovarian cycles of the female?

The type of ovarian follicle that ruptures at the time of ovulation is called a

The structure labeled D in the diagram is called the _____, which secretes a steroid hormone called _____ that helps prepare the uterine endometrium for implantation of the fertilized egg.

Which of the following answer selections is correct in labeling the two hormones released by the anterior pituitary gland?

At the present time, the most prevalent sexually transmitted disease (STD)in the United States is